Dr Dirk Jacob Van Leeuwen, MD, PHD, FAASLD - Medicare Internal Medicine in Portland, OR

Dr Dirk Jacob Van Leeuwen, MD, PHD, FAASLD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Portland, Oregon. His current practice location is 10000 Se Main St Ste 112, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 255-3054.

Dr Dirk Jacob Van Leeuwen is licensed to practice in Oregon (license number CP206793) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1205941309.

Contact Information

Dr Dirk Jacob Van Leeuwen, MD, PHD, FAASLD
10000 Se Main St Ste 112,
Portland, OR 97216-2441
(503) 255-3054
(503) 255-7651



Physician's Profile

Full NameDr Dirk Jacob Van Leeuwen
GenderMale
SpecialityInternal Medicine - Gastroenterology
Location10000 Se Main St Ste 112, Portland, Oregon
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1205941309
  • Provider Enumeration Date: 08/20/2006
  • Last Update Date: 02/22/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3072671981
  • Enrollment ID: I20150310001713

Medical Identifiers

Medical identifiers for Dr Dirk Jacob Van Leeuwen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205941309NPI-NPPES
100220249MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology EMERGENT (Kentucky)Secondary
207RG0100XInternal Medicine - Gastroenterology CP206793 (Oregon)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Dirk Jacob Van Leeuwen allows following entities to bill medicare on his behalf.
Entity NameSouthern Maine Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659392819
PECOS PAC ID: 0143208348
Enrollment ID: O20040713001060

News Archive

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Ovarian cancer is a deadly disease. With no overt symptoms and no screening tests to catch it early, ovarian cancer is often detected at stage 3 or later. By then, it can be very aggressive and may have spread beyond the ovaries into other organs. Many women eventually succumb to it; the five-year survival rate for a stage 3 ovarian cancer diagnosis is only 34 percent.

Reprogrammed kidney cells could make transplants and dialysis things of the past

Approximately 60 million people across the globe have chronic kidney disease (CKD), and many will need dialysis or a transplant. Breakthrough research published in the Journal of the American Society Nephrology indicates that patients' own kidney cells can be gathered and reprogrammed.

Are nicotine patches safe for pregnant women?

A £1 million study, being led by a team of multidisciplinary researchers at The University of Nottingham, is to look at whether nicotine replacement skin patches could help pregnant mums to stop smoking.

Significant link between defective viruses and increased rate of transmission of major disease

Defective viruses, thought for decades to be essentially garbage unrelated to the transmission of normal viruses, now appear able to play an important role in the spread of disease, new research by UCLA life scientists indicates.

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› Verified 1 days ago

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Dirk Jacob Van Leeuwen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Dirk Jacob Van Leeuwen, MD, PHD, FAASLD
10000 Se Main St Ste 112,
Portland, OR 97216-2441

Ph: (503) 255-3054
Dr Dirk Jacob Van Leeuwen, MD, PHD, FAASLD
10000 Se Main St Ste 112,
Portland, OR 97216-2441

Ph: (503) 255-3054

News Archive

Study to examine possible link between mitochondrial DNA and ovarian cancer

Ovarian cancer is a deadly disease. With no overt symptoms and no screening tests to catch it early, ovarian cancer is often detected at stage 3 or later. By then, it can be very aggressive and may have spread beyond the ovaries into other organs. Many women eventually succumb to it; the five-year survival rate for a stage 3 ovarian cancer diagnosis is only 34 percent.

Reprogrammed kidney cells could make transplants and dialysis things of the past

Approximately 60 million people across the globe have chronic kidney disease (CKD), and many will need dialysis or a transplant. Breakthrough research published in the Journal of the American Society Nephrology indicates that patients' own kidney cells can be gathered and reprogrammed.

Are nicotine patches safe for pregnant women?

A £1 million study, being led by a team of multidisciplinary researchers at The University of Nottingham, is to look at whether nicotine replacement skin patches could help pregnant mums to stop smoking.

Significant link between defective viruses and increased rate of transmission of major disease

Defective viruses, thought for decades to be essentially garbage unrelated to the transmission of normal viruses, now appear able to play an important role in the spread of disease, new research by UCLA life scientists indicates.

Read more News

› Verified 1 days ago


Internal Medicine Doctors in Portland, OR

Salona Shrestha, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 4805 Ne Glisan St, Portland, OR 97213
Phone: 503-215-2392    
Dr. Emmanuel Trungtoan Tavan, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2800 N Vancouver Ave, Suite 230, Portland, OR 97227
Phone: 503-413-2901    
Ginevra Lois Liptan, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 6400 Sw Canyon Ct, Ste 100, Portland, OR 97221
Phone: 503-477-9616    Fax: 503-477-9808
Donald Richard Sullivan, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 3181 Sw Sam Jackson Park Rd, Uhn67, Portland, OR 97239
Phone: 503-494-6949    
Dr. Victor Nguyen Pham, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 9205 Sw Barnes Rd, Portland, OR 97225
Phone: 503-216-2906    
Richa Uppal, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 800 Sw 13th Ave, Portland, OR 97205
Phone: 503-221-0161    Fax: 503-274-1697
Reem Hasan, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 3181 Sw Sam Jackson Park Rd, Ppv 350, Portland, OR 97239
Phone: 503-494-8562    

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